Parasitic Infections Quiz
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Questions and Answers

Which of the following is the infective stage of a parasite that infects the definitive host?

  • Infective stage (correct)
  • Larval stage
  • Intermediate stage
  • Diagnostic stage

    • What is the term given to a disease of animals that is transmissible to humans?

  • Transplacental
  • Zoonosis (correct)
  • Iatrogenic
  • Nosocomial

    • Which phylum do the helminths (worms) that parasitize humans belong to?

  • Phylum Platyhelminthes (Flat Worms)
  • Phylum Arthropoda
  • Both a and b (correct)
  • Phylum Nemathelminthes (Round Worms)

    • What is the characteristic of the digestive system of trematodes (flukes)?

    <p>It is blind</p> Signup and view all the answers

    Which of the following is the mode of infection for parasites?

    <p>All of the above</p> Signup and view all the answers

    Which branch of Medical Parasitology deals with the study of arthropods?

    <p>Entomology</p> Signup and view all the answers

    What is the definition of a parasite according to the text?

    <p>An organism that lives on or in another organism and provides it with protection and nourishment</p> Signup and view all the answers

    Which of the following is an example of an endoparasite?

    <p>Ancylostoma duodenale</p> Signup and view all the answers

    What is the definition of a definitive host according to the text?

    <p>The host in which the adult stage of the parasite lives or sexual reproduction takes place</p> Signup and view all the answers

    Which of the following is an example of a facultative parasite?

    <p>Parasites that can exist in soil and water independently of their hosts</p> Signup and view all the answers

    What is the definition of a vector according to the text?

    <p>The host that transmits parasites to humans</p> Signup and view all the answers

    What is the definition of an intermediate host according to the text?

    <p>The host which harbors the immature or larval stages of the parasite, or in which the asexual reproduction takes place</p> Signup and view all the answers

    What type of hosts do trematodes utilize?

    <p>Snails as intermediate hosts</p> Signup and view all the answers

    Which of the following statements about Fasciola species is INCORRECT?

    <p>Their intermediate host is a freshwater fish</p> Signup and view all the answers

    Which of the following is NOT a parasitic trematode of humans?

    <p>Taenia solium (pork tapeworm)</p> Signup and view all the answers

    What is the infective stage of Fasciola species?

    <p>Encysted metacercariae</p> Signup and view all the answers

    Which of the following is TRUE about the geographical distribution of Fasciola species?

    <p>They have a cosmopolitan distribution</p> Signup and view all the answers

    Which of the following statements about the morphology of Fasciola species is CORRECT?

    <p>They have two suckers: oral and ventral</p> Signup and view all the answers

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